Clean water treatment using the filtration method for residents of Loa Duri Ulu Village, Loa Janan District, Kutai Kartanegara. Community Empower [Internet]. 2021 Oct. 31 [cited 2026 Sep. 30];6(10):1903-7. Available from: https://coba.unimma.ac.id/ce/article/view/6148